package com.briup.mybatis02code.entity.ex;

import com.briup.mybatis02code.entity.Book;
import lombok.Data;

import java.io.Serializable;

@Data
public class BookShopCarExtend extends Book implements Serializable {
    static final long serialVersionUID = 42L;
    private  Integer num;

    @Override
    public String toString() {
        return "BookShopCarExtend{" +
                "num=" + num
                + ","+super.toString()
                + "} " ;
    }
}
